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It was first shown by Faraday that optical activity (the Faraday effect) could be induced in matter by a longitudinal magnetic field (a field in the direction of light propagation). The development of MCD really began in the 1930s when a quantum mechanical theory of MOR (magnetic optical rotatory dispersion) in regions...
https://en.wikipedia.org/wiki?curid=92206
1,404,572
119,142
The "Pioneer 10" and "Pioneer 11" Jupiter encounters in the early 1970s contributed little new information about Callisto in comparison with what was already known from Earth-based observations. The real breakthrough happened later with the "Voyager 1" and "Voyager 2" flybys in 1979. They imaged more than half of the C...
https://en.wikipedia.org/wiki?curid=43126
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Formerly, the output data from a computer simulation was sometimes presented in a table or a matrix showing how data were affected by numerous changes in the simulation parameters. The use of the matrix format was related to traditional use of the matrix concept in mathematical models. However, psychologists and others...
https://en.wikipedia.org/wiki?curid=375416
760,639
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The Cat eye syndrome (CES), also termed the Schmid–Fraccaro syndrome, is a severe disorder in which individuals have multiple birth defects such as congenital heart abnormalities, renal malformations, craniofacial anormalies, male genital anomalies, skeleton defects, borderline to moderately severe mental retardation, ...
https://en.wikipedia.org/wiki?curid=2018913
1,803,114
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A two-seat aircraft, designated "Gripen Demo", was ordered in 2007 as a testbed for various upgrades. It was powered by the General Electric F414G, a development of the Boeing F/A-18E/F Super Hornet's engine. The Gripen NG's maximum takeoff weight was increased from 14 000 to 16,000 kg (30,900–35,300 lb), internal fuel...
https://en.wikipedia.org/wiki?curid=87577
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The primary characteristics of this sub-generation are the application of advanced digital avionics and aerospace materials, modest signature reduction (primarily RF "stealth"), and highly integrated systems and weapons. These fighters have been designed to operate in a "network-centric" battlefield environment and are...
https://en.wikipedia.org/wiki?curid=10929
50,596
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Dyspnea affects about 25% of people in the ambulatory care setting and is a common symptom of many underlying conditions. Dyspnea is a subjective symptom, meaning it can only be expressed by the person experiencing it, and it is imperative in diagnosis to distinguish it from other breathing problems. Dyspnea is typical...
https://en.wikipedia.org/wiki?curid=17620403
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Oliphant left the Cavendish Laboratory in 1937 to become the Poynting Professor of Physics at the University of Birmingham. He attempted to build a cyclotron at the university, but its completion was postponed by the outbreak of the Second World War in Europe in 1939. He became involved with the development of radar, h...
https://en.wikipedia.org/wiki?curid=315710
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Africa was a large continent whose geography gave it strategic importance during the war. North Africa was the scene of major British and American campaigns against Italy and Germany; East Africa was the scene of a major British campaign against Italy. The vast geography provided major transportation routes linking the...
https://en.wikipedia.org/wiki?curid=14099
133,865
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XIII Corps spent the late winter of 1944–45 in the mountains above Bologna. Before the Allied Spring Offensive began, it was moved down to prepare to cross the River Po. 56 and 578 Field Companies were left behind to deal with the stocks of engineer equipment left in the mountains: they used it to build four Bailey bri...
https://en.wikipedia.org/wiki?curid=44543251
2,171,308
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Nodular regenerative hyperplasia (NRH) is a rare liver condition characterized by a widespread benign transformation of the hepatic parenchyma into small regenerative nodules. NRH may lead to the development of non-cirrhotic portal hypertension. There are no published systematic population studies on NRH and our curren...
https://en.wikipedia.org/wiki?curid=18308545
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He has collaborated on research on how political negotiations could be made more likely to produce agreement. Atran and the psychologists Jeremy Ginges and Douglas Medin and political scientist Khalil Shikaki conducted an experiment that surveyed "600 Jewish settlers in the West Bank, more than 500 Palestinian refugees...
https://en.wikipedia.org/wiki?curid=8872363
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United States Environmental Protection Agency (EPA) Spill Prevention, Control, and Countermeasure (SPCC) guidelines require that facilities that store large quantities of petroleum (products) must have a plan in place to contain a spill. The purpose of the SPCC rule is to establish requirements for facilities to preven...
https://en.wikipedia.org/wiki?curid=23733801
1,990,106
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In 2012, Heizer completed "Levitated Mass" (2012). On permanent installation at Los Angeles County Museum of Art, "Levitated Mass" is a massive white, diorite boulder (21.5 feet wide and 21.5 feet high) that sits atop a 456-foot-long sloped walkway, allowing viewers to experience the weight of the rock as they walk thr...
https://en.wikipedia.org/wiki?curid=1038039
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The class 1 office was the Regional Center (RC). Regional centers served three purposes in the North American toll network (a) their connections were the "last resort" for final setup of calls when routes between centers lower in the hierarchy were not available (b) they were initially staffed by engineers who had the ...
https://en.wikipedia.org/wiki?curid=26656098
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During July 2014, Aero Vodochody presented the L-39NG programme at the Farnborough Airshow. By April 2015, a partnership had formed between Aero Vodochody, American defence contractor Draken International and engine manufacturer Williams International to undertake the programme and to properly prepare the L-39NG to com...
https://en.wikipedia.org/wiki?curid=493754
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Gray worked extensively on a phenomenon that is now called the "Asa Gray disjunction", namely, the surprising morphological similarities between many eastern Asian and eastern North American plants. In fact, Gray felt the flora of eastern North America is more similar to the flora of Japan than it is to the flora of we...
https://en.wikipedia.org/wiki?curid=443026
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Despite the null results for supersymmetry at the LHC so far, some particle physicists have nevertheless moved to string theory in order to resolve the naturalness crisis for certain supersymmetric extensions of the Standard Model. According to the particle physicists, there exists a concept of "stringy naturalness" in...
https://en.wikipedia.org/wiki?curid=224636
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In July 2009, a United States federal court decision resulted in the release of approximately 1500 documents detailing how articles highlighting specific marketing messages written by unattributed writers, but "authored" by academics, are strategically placed in the medical literature – a practice known as ghostwriting...
https://en.wikipedia.org/wiki?curid=2526606
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During the initial years of service, F-22 pilots experienced symptoms as a result of oxygen system issues that include loss of consciousness, memory loss, emotional lability and neurological changes as well as lingering respiratory problems and a chronic cough; the issues resulted in a four-month grounding in 2011. In ...
https://en.wikipedia.org/wiki?curid=66299
2,665
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Frederick Lewis Taylor claims that a kneeling volley fire may have been employed by Prospero Colonna's arquebusiers as early as the Battle of Bicocca (1522). However this has been called into question by Tonio Andrade who believes this is an over interpretation as well as mis-citation of a passage by Charles Oman sugge...
https://en.wikipedia.org/wiki?curid=33076634
782,732
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In practice, the duct is folded inside a conventional shaped cabinet, so that the open end of the duct appears as a vent on the speaker cabinet. There are many ways in which the duct can be folded and the line is often tapered in cross section to avoid parallel internal surfaces that encourage standing waves. Depending...
https://en.wikipedia.org/wiki?curid=7417940
1,443,681
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In 2000, biologist Massimo Pigliucci criticized "The Design Inference" in "BioScience" writing, "Too bad he missed the solution to this riddle, which has been proposed several times during the last few centuries, most prominently (and in various fashions) by Hume (1779), Darwin (1859), and Jacques Monod (1971). Accordi...
https://en.wikipedia.org/wiki?curid=2149752
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Symptoms typically include sensory impairment (vision, hearing, speech), disturbed sensation and a lack of coordination. The type and degree of symptoms exhibited depend upon the individual toxin, the dose, and the method and duration of exposure. Case–control studies have shown effects such as tremors, impaired cognit...
https://en.wikipedia.org/wiki?curid=18617142
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Lineup members should have diverse characteristics so that lineups are not biased toward or against the suspect. If the appearance of a person stands out amongst the otherwise indistinctive crowd, then an eyewitness is more likely to select that person regardless of their own recollection of the criminal. According to ...
https://en.wikipedia.org/wiki?curid=33106906
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In "THE FIRST BOOK OF THE ELEMENTS OF THE ART OF WEIGHING, The second part: Of the propositions [The Properties of Oblique Weights], Page 41, Theorem XI, Proposition XIX", he derived the condition for the balance of forces on inclined planes using a diagram with a "wreath" containing evenly spaced round masses resting ...
https://en.wikipedia.org/wiki?curid=72586
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Many rescue teams, including that of the Taipei Fire Department from Taiwan, were reported ready to join the rescue effort in Sichuan as early as Wednesday. However, the Red Cross Society of China said that (on May 13) "it was inconvenient currently due to the traffic problem to the hardest hit areas closest to the epi...
https://en.wikipedia.org/wiki?curid=17901805
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Although not essential, some candidates will apply with higher degrees in an attempt to improve their chances of selection for training and several universities currently offer MSc courses in Clinical Biochemistry, Immunology and Microbiology which have been approved by the ACB or the AHCS. Full-time and 'sandwich' cou...
https://en.wikipedia.org/wiki?curid=3770891
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Theranostic probes – capable of detection and treatment of cancer in a single treatment - are nanoparticles that have binding sites on their shell that allow them to attach to a desired location (typically cancerous cells) then can be imaged through dual modality imagery (an imaging strategy that uses x-rays and radion...
https://en.wikipedia.org/wiki?curid=34072435
2,245,641
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In 2013, "Entropy" published a review paper saying glyphosate may be the most important factor in the development of obesity, depression, attention deficit hyperactivity disorder, autism, Alzheimer's disease, Parkinson's disease, multiple sclerosis, cancer, and infertility. The paper does not contain any primary resear...
https://en.wikipedia.org/wiki?curid=13954448
1,670,894
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Of the many examples where the sea bed provides an extremely hostile environment for submerged evidence of history, one of the most notable, , though a relatively young wreck and in deep water so calcium-starved that concretion does not occur, appears strong and relatively intact, though indications are that it has alr...
https://en.wikipedia.org/wiki?curid=20064
1,066,022
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ICSH extended difference reference method guidelines Since ICSH guidelines were published before 1994, hematology analyzer has made great progress. Automated analyzers can speed up laboratory workflow and improve accuracy, because more cell counts and cell classification are based on objective characteristics of more m...
https://en.wikipedia.org/wiki?curid=60779324
2,033,828
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The project began as Space Station "Freedom", a US only effort, but was long delayed by funding and technical problems. Following the initial 1980's authorization (with an intended ten year construction period) by Ronald Reagan, the Station "Freedom" concept was designed and renamed in the 1990s to reduce costs and exp...
https://en.wikipedia.org/wiki?curid=60562746
1,333,940
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The vertical vision goes back to the 19th-century movement called phrenology and its founder Franz Joseph Gall. Gall claimed that the individual mental faculties could be associated precisely, in a one-to-one correspondence, with specific physical areas of the brain. For example, someone's level of intelligence could b...
https://en.wikipedia.org/wiki?curid=446606
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A number of faculty, including Ulack, Watkins, Raitz, and Brunn, worked with faculty in the College of Education; they offered summer classes for teachers and worked with other professional geographers in the state, with teachers in the Kentucky Geographic Alliance (associated with the National Geographic Society) and ...
https://en.wikipedia.org/wiki?curid=47120039
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Contact tracing is defined as the identification and follow-up of persons who may have been in contact with a person infected with Ebola. Ideally, close contacts are observed for 21 days after their last known exposure to a case and isolated if they become symptomatic. The volume of contacts and the duration of monitor...
https://en.wikipedia.org/wiki?curid=58011203
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Barrett's esophagusA condition in which the lining of the esophagus changes to look more like the lining of the intestine and increases the risk of developing esophageal cancer. There are no specific symptoms although symptoms of GERD may be present for years prior as it is associated with a 10–15% risk of Barrett's es...
https://en.wikipedia.org/wiki?curid=12976
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ADS-B is being incorporated in various jurisdictions worldwide. It is an element of the United States Next Generation Air Transportation System (NextGen), the Airports Authority of India upgrade plans in line with the ICAO Global Plan Initiatives and Aviation System Block Upgrade (ASBU), and the Single European Sky ATM...
https://en.wikipedia.org/wiki?curid=18949160
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A major factor in the rise to prominence of what would become HPT was the publication of "Analyzing Performance Problems" in 1970 by Robert F. Mager and Peter Pipe. The success of their book, subtitled "You Really Oughta Wanna," served to draw attention to and expand awareness of the many factors affecting human perfor...
https://en.wikipedia.org/wiki?curid=14218317
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Scholars associated with the revisionist movement in Vygotsky Studies propose returning to Vygotsky's original uncensored works, critically revising the available discourse, and republishing them in both Russian and translation with a rigorous scholarly commentary. Therefore, an essential part of this revisionist stran...
https://en.wikipedia.org/wiki?curid=95176
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Born in San Francisco, the son of Lloyd Levitin, a businessman and professor, and Sonia Levitin, a novelist. Levitin was raised in Daly City, Moraga, and Palos Verdes, California. He graduated after his junior year at Palos Verdes High School and attended the Massachusetts Institute of Technology where he studied appli...
https://en.wikipedia.org/wiki?curid=2749117
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After the purchase of Alaska in 1867, , with First Lieutenant George W. Moore aboard was dispatched to Sitka to establish United States sovereignty as agent of the U.S. Collector of Customs in San Francisco. "Lincoln" was directed to make a reconnaissance of the coastline. In the 1880s through the 1890s, the Revenue Cu...
https://en.wikipedia.org/wiki?curid=6204230
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Pei finally saw his architecture come to life in 1949, when he designed a two-story corporate building for Gulf Oil in Atlanta, Georgia. The building was demolished in February 2013 although the front facade will be retained as part of an apartment development. His use of marble for the exterior curtain wall brought pr...
https://en.wikipedia.org/wiki?curid=15155
135,189
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While it is relatively immature as a technology, the Internet of Things is likely to see the number of connected objects reach 50 billion by 2020. The integration of embedded processors with sensors, intelligence, wireless connectivity and other components with high level operating systems, middle-ware and system integ...
https://en.wikipedia.org/wiki?curid=42267439
1,810,306
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The 1938 discovery of nuclear fission in uranium by Otto Robert Frisch, Fritz Strassmann, Lise Meitner and Otto Hahn, raised the possibility that an extremely powerful atomic bomb could be created. Refugees from Nazi Germany and other fascist countries were particularly alarmed by the notion of a German nuclear weapon ...
https://en.wikipedia.org/wiki?curid=41957579
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In September 2019, the UMass Boston Faculty Staff Union President addressed the UMass System Board of Trustees to protest the potential offering of equivalent programs at the Mount Ida campus that are already offered at the Boston campus. The following December, the UMass Boston Faculty Staff Union President presented ...
https://en.wikipedia.org/wiki?curid=99867
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In 2012, a study examined mitochondrial DNA recovered from ancient bones from Europe, Thailand, the Pacific, and Chile, and from Spanish colonial sites in Florida and the Dominican Republic, in directly dated samples originating in Europe at 1,000 BP and in the Pacific at 3,000 BP. Chicken was primarily domesticated fr...
https://en.wikipedia.org/wiki?curid=470605
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A further limitation of the correlation is that it does not necessarily imply that the causality runs from income to health. It could actually be that better health, as proxied by life expectancy, contributes to higher incomes, rather than vice versa. Better health can increase incomes because healthier individuals ten...
https://en.wikipedia.org/wiki?curid=8027403
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A number of similar compounds have been generated and isolated, and several studies involving putative mono-Lewis base-stabilized borylene intermediates have been reported. However, an isolable example remained elusive until 2014. Betrand et al. argued that due to boron's electropositivity and thus preference to be ele...
https://en.wikipedia.org/wiki?curid=54622321
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The marshlands were an extensive natural wetlands ecosystem which developed over thousands of years in the Tigris–Euphrates basin and once covered 15–20,000 square kilometers. In the 1980s, this ecoregion was put in grave danger during the Iran–Iraq War. The Mesopotamian Marshes, which were inhabited by the Marsh Arabs...
https://en.wikipedia.org/wiki?curid=209798
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Prosser posed a powerful argument regarding the effects of racial inequality on the mental health of African-American children. In her dissertation, she discussed optional education avenues, exploring reasons for providing children the opportunity to be educated according to their ability, not their socioeconomic statu...
https://en.wikipedia.org/wiki?curid=13646566
1,384,048
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The essential drugs list concept was developed from a report to the 28th World Health Assembly in 1975 as a scheme to extend the range of necessary drugs to populations who had poor access because of the existing supply structure. The plan was to develop essential drugs lists based on the local health needs of each cou...
https://en.wikipedia.org/wiki?curid=8858789
2,118,126
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Apsara was India's first nuclear reactor built at BARC in 1956 to conduct basic research in nuclear physics. It is 1 MWTh light water cooled and moderated swimming pool type thermal reactor that went critical on August 4, 1956, and is suitable for production of isotopes, basic nuclear research, shielding experiments, n...
https://en.wikipedia.org/wiki?curid=2122657
384,682
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Physiological reasons, such as genetic disorders or disabilities, can influence whether couples seek sterilization. According to the Centers for Disease Control and Prevention, about 1 in 6 children in the U.S. had a developmental disability in 2006–2008. Developmental disabilities are defined as "a diverse group of se...
https://en.wikipedia.org/wiki?curid=69688
877,185
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Hadfield is the recipient of numerous awards and special honours. These include appointment to the Order of Ontario in 1996, as an Officer of the Order of Canada in 2014, receipt of the Vanier Award in 2001, NASA Exceptional Service Medal in 2002, the Queen's Golden Jubilee Medal in 2002, and the Queen's Diamond Jubile...
https://en.wikipedia.org/wiki?curid=78114
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The central theme in this book revolves around the idea that biodiversity among species must be preserved in order to maintain a healthy balance in nature and society. Ehrenfeld offers many examples of how natural communities are jeopardized through the actions of humans. For instance, the actions of the United States ...
https://en.wikipedia.org/wiki?curid=42365789
1,890,241
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Britain conducted trials on all the various types of propellant brought to their attention, but were dissatisfied with them all and sought something superior to all existing types. In 1889, Sir Frederick Abel, James Dewar and Dr W Kellner patented (Nos 5614 and 11,664 in the names of Abel and Dewar) a new formulation t...
https://en.wikipedia.org/wiki?curid=860000
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Philosophy of biology deals with epistemological, metaphysical, and ethical issues in the biological and biomedical sciences. Although philosophers of science and philosophers generally have long been interested in biology (e.g., Aristotle, Descartes, Leibniz and even Kant), philosophy of biology only emerged as an ind...
https://en.wikipedia.org/wiki?curid=37010
376,687
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Known as “Project PX,” the secret construction of the pilot model took place at the Moore School with Eckert as chief engineer and Mauchly as principal consultant. However, building the ENIAC proved to be more arduous than expected. By 1944, only two of the four accumulators were completed. At this point, BRL had only ...
https://en.wikipedia.org/wiki?curid=30865936
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Evolutionarily, humans are socially well adapted to their environment and coexist with one another in a way that benefits the entire species. Cooperative breeding, the ability for humans to invest in and help raise others' offspring, is an example of some of their unique characteristics that sets them apart from other ...
https://en.wikipedia.org/wiki?curid=1482205
1,097,387
1,864,075
Astrophysical sciences developed with attention to spectra of celestial sources to ascertain the chemical origin of these sources. The addition of radio astronomy extended the range of these spectra and revealed quasi-stellar sources with peculiar spectra. Maarten Schmidt and Jesse Greenstein found extreme red shifts i...
https://en.wikipedia.org/wiki?curid=48651925
1,863,003
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Ketogenic amino acids serve important roles in the human body, leading to the study of ketogenic amino acid rich (KAAR) diets as possible treatment for non-alcoholic fatty liver disease (NAFLD) and diabetes. Dietary studies of fatty liver disease in mice show that decreasing the intake of ketogenic amino acids lysine a...
https://en.wikipedia.org/wiki?curid=10133578
684,258
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Remote sensing data can help studies involving geological mapping, geological hazards and economic geology (i.e., exploration for minerals, petroleum, etc.). These geological studies commonly employ a multitude of tools classified according to short to long wavelengths of the electromagnetic radiation which various ins...
https://en.wikipedia.org/wiki?curid=55514078
1,364,989
1,085,588
In theory, Atari BASIC should have run faster than contemporary BASICs based on the Microsoft pattern. Because the source code is fully tokenized when it is entered, the entire tokenization and parsing steps are already complete. Even complex mathematical operations are ready-to-run, with any numerical constants alread...
https://en.wikipedia.org/wiki?curid=64701882
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Accredited by the Liaison Committee on Medical Education, the T.H. Chan School of Medicine grants the MD degree to its graduates. With the exception of MD/PhD students, degree candidates were formerly required to be Massachusetts residents, a policy which has changed beginning with the entering class of 2016. Approxima...
https://en.wikipedia.org/wiki?curid=902885
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In response to these results, an uncontrolled clinical trial was carried out at the Petrov Research Institute of Oncology in St. Petersburg over a period of 17 years, and a controlled trial was carried out at the Harbor-UCLA Medical Center in California over period of 10 years, respectively. The Russian trial reported ...
https://en.wikipedia.org/wiki?curid=22998491
1,055,512
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In 1993 Harold Rosen and his brother Benjamin founded Rosen Motors in Woodland Hills, California. They developed a gas turbine-powered series hybrid automotive powertrain using a 55,000 rpm flywheel energy storage subsystem to provide bursts of acceleration to augment the turbine's more steady power output. The flywhee...
https://en.wikipedia.org/wiki?curid=10150062
1,587,066
922,027
On January 25, 2016, the university began a phased opening of its second new academic facility, University Hall. The building cost $130 million to construct, was designed by the Boston-based Wilson Architects, and was constructed by the Gilbane Building Company. The following month, the university announced that it wou...
https://en.wikipedia.org/wiki?curid=99867
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The quarantine period of animals purchased from other farms, an important consideration in swine health, is necessary to acclimate the animal and reduce immediate disease exposure. Both in the U.K., and U.S., there are no quarantine requirements and testing procedures for incoming stock, unless individual certification...
https://en.wikipedia.org/wiki?curid=41194738
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As demonstrated in the works of various researchers, nanotechnology has a great ability to power and improve several natural biological devices by replacing those entities and mimicking natural processes within the living being. The primary concern behind such an approach is to provide an alternative source with higher...
https://en.wikipedia.org/wiki?curid=33177993
2,028,572
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The oil palm ("Elaeis guineensis") provides another example of the potential of reconciliation ecology. It is one of the most important and rapidly expanding tropical crops, so lucrative because it is used in many products throughout the world. Unfortunately, oil-palm agriculture is one of the main drivers of forest co...
https://en.wikipedia.org/wiki?curid=1810870
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From 1959 through 1975 every astronaut in the Mercury, Gemini, Apollo, Skylab, and Apollo–Soyuz Test Project programs spent hours in celestial navigation training at the planetarium. Morehead technicians developed simplified replicas of flight modules and tools for use in the training, often from plywood or cardboard. ...
https://en.wikipedia.org/wiki?curid=496494
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"Calculus on Manifolds" aims to present the topics of multivariable and vector calculus in the manner in which they are seen by a modern working mathematician, yet simply and selectively enough to be understood by undergraduate students whose previous coursework in mathematics comprises only one-variable calculus and i...
https://en.wikipedia.org/wiki?curid=2838343
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The first step operates with a pulsed , the wavelength of which (1064 nm) is well adapted to the electronic band gap of silicon (1.11 eV or 1117 nm), so that maximum absorption may well be adjusted by optical focusing. Defect regions of about 10 µm width are inscribed by multiple scans of the laser along the intended d...
https://en.wikipedia.org/wiki?curid=6746671
1,119,895
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After the adoption of the new Lebel Model 1886 rifle, French military authorities attempted to develop a carbine version of the rifle for mounted troops. A prototype carbine was created by simply shortening the existing barrel, forearm, and magazine tube of the Mle 1886 rifle. However, this design was soon rejected for...
https://en.wikipedia.org/wiki?curid=12812847
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In 2001, Ralph E. Molnar published a survey of pathologies in theropod dinosaur bone. He found pathological features in 21 genera from 10 families. Pathologies were found in theropods of all body size although they were less common in fossils of small theropods, although this may be an artifact of preservation. They ar...
https://en.wikipedia.org/wiki?curid=300664
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Studies for differential expression of genes from RNA-Seq data, as for RT-qPCR and microarrays, demands comparison of conditions. The goal is to identify genes which have a significant change in abundance between different conditions. Then, experiments are designed appropriately, with replicates for each condition/trea...
https://en.wikipedia.org/wiki?curid=3878
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Residence requirements kept Darwin in Cambridge till June. He resumed his beetle collecting, took career advice from Henslow, and read William Paley's "Natural Theology or Evidences of the Existence and Attributes of the Deity" which set out to refute David Hume's argument that "design" by a Creator was merely a human ...
https://en.wikipedia.org/wiki?curid=2087722
1,181,595
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While the B-58's performance and design were exceptional for the era, it was not an easy aircraft to fly. This was caused by the 60° leading edge sweepback of its wing and was inherent in these types of delta wing platforms. It required a much higher angle of attack than a conventional aircraft, up to 9.4° at Mach 0.5 ...
https://en.wikipedia.org/wiki?curid=458762
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Technology forecasting has existed more than a century, but it developed to an established subject until World War II, because American government started to detect the technology development trend related to military area after the war. In 1945, the U.S. Army Air Forces created a report called "Toward New Horizons", w...
https://en.wikipedia.org/wiki?curid=3403430
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Bernardino Ramazzini was one of the first people to systematically study the illness that resulted from work earning himself the nickname “father of occupational medicine”. In the late 1600s and early 1700s Ramazzini visited many worksites where he documented the movements of laborers and spoke to them about their ailm...
https://en.wikipedia.org/wiki?curid=36479878
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Using "dead" versions of Cas9 (dCas9) eliminates CRISPR's DNA-cutting ability, while preserving its ability to target desirable sequences. Multiple groups added various regulatory factors to dCas9s, enabling them to turn almost any gene on or off or adjust its level of activity. Like RNAi, CRISPR interference (CRISPRi)...
https://en.wikipedia.org/wiki?curid=59990826
125,074
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Spencer patented his idea in 1873; but his patent failed to protect the cam drum, which Spencer called the 'brain wheel'. Therefore, many other people quickly took up the idea. Later important developers of fully automatic lathes included S. L. Worsley, who developed a single-spindle machine for Brown & Sharpe, Edwin C...
https://en.wikipedia.org/wiki?curid=29477317
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Belying his lack of programming and engineering experience, Taylor was noted for his strident advocacy of Licklider-inspired distributed personal computing and his ability to maintain collegial and productive relationships between what was widely perceived as the foremost array of the epoch's leading computer scientist...
https://en.wikipedia.org/wiki?curid=1002038
1,104,546
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In China, Aryabhata's table of sines were translated into the Chinese mathematical book of the "Kaiyuan Zhanjing", compiled in 718 AD during the Tang Dynasty. Although the Chinese excelled in other fields of mathematics such as solid geometry, binomial theorem, and complex algebraic formulas, early forms of trigonometr...
https://en.wikipedia.org/wiki?curid=6785051
750,527
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The propulsion was significantly revised from that of the HS 748; the twin Rolls-Royce Dart turboprop engines of its predecessor were substituted for Pratt & Whitney Canada PW126 engines, a more modern counterpart. Each engine drove a custom-designed six-blade propeller jointly developed by British Aerospace and the Am...
https://en.wikipedia.org/wiki?curid=421768
517,879
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Species of the clade Thecosomata produce a fragile external calcium carbonate shell, which could serve as a ballast enabling large vertical migrations and as a protection against predators. The aragonitic composition of the shell makes it very sensitive to dissolution. Aragonite is a metastable form of calcium carbonat...
https://en.wikipedia.org/wiki?curid=30677229
1,794,445
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Like all Thyreophora, stegosaurians were protected by bony scutes that were not part of the skeleton proper but skin ossifications instead: the so-called osteoderms. "Huayangosaurus" had several types. On its neck, back, and tail were two rows of paired small vertical plates and spikes. The very tail end bore a small c...
https://en.wikipedia.org/wiki?curid=4375088
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World War I marked the first large-scale mobilization of science for military purposes. Prior to the war, the American military ran a few small laboratories as well as the Bureau of Standards, but independent inventors and industrial firms predominated. Similarly in Europe, military-directed scientific research and dev...
https://en.wikipedia.org/wiki?curid=4999816
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After the New Economic Policy was instituted, agricultural production increased greatly. In order to stimulate economic growth, farmers were given the opportunity to sell portions of their crops to the government in exchange for monetary compensation. Farmers now had the option to sell some of their produce, giving the...
https://en.wikipedia.org/wiki?curid=40229586
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Alan Battersby is, above all, known for his research on the biosynthesis of the "pigments of life" that are built on closely related tetrapyrrolic structural frameworks. His research group elucidated, in particular, the essential role played by two enzymes, deaminase and cosynthetase, in the steps from aminolevulinic a...
https://en.wikipedia.org/wiki?curid=13013970
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There is a long history of unsuccessful attempts and unverified claims to recover the power in the carrier of the received signal itself. Traditional crystal sets use half-wave rectifiers. As AM signals have a modulation factor of only 30% by voltage at peaks, no more than 9% of received signal power (formula_2) is act...
https://en.wikipedia.org/wiki?curid=232249
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One consequence of this is that models in general require additional longitudinal and directional stability, resisting sudden changes in pitch and yaw. While it may be possible for a pilot to respond quickly enough to control an unstable aircraft, a radio control scale model of the same aircraft would only be flyable w...
https://en.wikipedia.org/wiki?curid=82985
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The three-dimensional (3D) structure of SERT is not known and has been the main obstacle for elucidation of the structural mechanism of the human SERT. Update: X-ray crystallography data is available as of 2017 it seems (https://www.rcsb.org/structure/6AWO)... Comparative molecular modeling have been used in research t...
https://en.wikipedia.org/wiki?curid=44152139
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The 2018 IEEE-IEDM took place at the Hilton San Francisco Union Square from December 1–5, 2018. Highlights included three plenary talks that addressed key future directions for semiconductor technology and business practices. Jeffery Welser, Vice President of IBM Research-Almaden, spoke about the hardware needed for ar...
https://en.wikipedia.org/wiki?curid=39219444
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As adolescents progress through high school, they may need to factor their current medical status and functional abilities into decisions around their future education and employment plans. Most children with JIA will not be restricted in their study goals or professional aspirations. Students with JIA can usually appl...
https://en.wikipedia.org/wiki?curid=619071
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In 1890, Charles Roy and Charles Sherrington first experimentally linked brain function to its blood flow, at Cambridge University. The next step to resolving how to measure blood flow to the brain was Linus Pauling's and Charles Coryell's discovery in 1936 that oxygen-rich blood with Hb was weakly repelled by magnetic...
https://en.wikipedia.org/wiki?curid=226722
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During World War II, Fort Detrick in Maryland was the headquarters of US biological warfare experiments. Operation Whitecoat involved the injection of infectious agents into military forces to observe their effects in human subjects. Subsequent human experiments in the United States have also been characterized as unet...
https://en.wikipedia.org/wiki?curid=447842
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Julia's core is implemented in Julia and C, together with C++ for the LLVM dependency. The code parsing and code-lowering are implemented in FemtoLisp, a Scheme dialect (that parser can however be switched out at runtime, with the pure-Julia package "JuliaSyntax.jl", a drop-in, faster replacement, usually, and it "grea...
https://en.wikipedia.org/wiki?curid=38455554
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Design for Six Sigma emerged from the Six Sigma and the Define-Measure-Analyze-Improve-Control (DMAIC) quality methodologies, which were originally developed by Motorola to systematically improve processes by eliminating defects. Unlike its traditional Six Sigma/DMAIC predecessors, which are usually focused on solving ...
https://en.wikipedia.org/wiki?curid=718273
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